• : Oryza sativa
• (Family): Gramineae/Poaceae
• (Chromosome number): 2n = 24 ,40
• (Origin): - (- )
• (Pollination): - (Self-pollinated crop)
• : (Short day plant) C3
• :
o (Caryopsis)
o (Panicle)
o
o 1
(Geographical Distribution)
• , , , , , , , , , ,
—
• 90% Asia
• 1/3
•
—
•
starch, ,
• ()
•
•
Nutritive Value :
• Protein in white → 6–7%
• Protein in brown → 7–9%
• Carbohydrate → 72.5%
• Fat → 2.2%
• Cellulose → 11.8%